An adaptive heating method and apparatus for bonding repair of aircraft structure cracks
By splicing flexible electric heating blanket units and wire connection units, combined with temperature sensors and controllers, adaptive heating of cracks in aircraft metal frame beam structures was achieved, solving the problem of uneven heating and improving the efficiency and quality of adhesive repair.
CN122443705APending Publication Date: 2026-07-24WUHU STATE-OWNED FACTORY OF MACHINING
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- WUHU STATE-OWNED FACTORY OF MACHINING
- Filing Date
- 2026-05-09
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
Existing heating devices cannot effectively conform to the complex shape of the aircraft's metal frame structure, resulting in uneven heating and affecting the bonding repair effect.
Method used
The system uses flexible electric blanket units and wire connection units for personalized splicing, combined with temperature sensors and controllers to achieve precise temperature control, ensuring that the heating area fits closely with the repair area and that the temperature is uniform.
Benefits of technology
It improves heating efficiency and bonding quality, ensures uniform temperature in the repair area, avoids local overheating or insufficient temperature, and shortens the repair cycle.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure REF-OBJ-1778295060312-000002 
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Figure REF-OBJ-1778295060312-000004
Abstract
The present application relates to a kind of self-adapting heating method and device for bonding repair aircraft structure crack, belong to aircraft structure maintenance technical field, method includes the following steps: the crack to be repaired area of aircraft metal frame beam structure is treated on surface;Prepare the size and shape matching composite material pre-solidified patch;According to process requirement, the structure glue of adaptive bonding repair is prepared;Select the electric blanket unit of adaptive size and be connected unit splicing by wire;Carry out temperature rise verification;In the area to be repaired, auxiliary layer is sequentially laid;According to the heating temperature curve of adhesive curing process setting, make repair area reach curing temperature and keep warm;After curing, remove vacuum bag and electric blanket unit, carry out post-processing to repair area, restore surface paint layer and carry out nondestructive testing.The present application can be personalized splicing according to the shape characteristics of aircraft metal frame beam structure, realize the close fit of heating area and repair area, improve heating efficiency and bonding quality.
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